t sure of the reason for the dog’s illness, but it ____ by eating too much.

Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.

He ______ a chance to try it again just now.

Only after being attacked by the Japanese in Pearl Harbor ___in the Second World War thoroughly.

26. – If we take a plane, we’ll surely have arrived in Paris by tomorrow morning. – Don’t be so sure, we should _____ the weather factor. _____ it is foggy at that time?